TY - GEN AU - Duewer,D L AU - Kline,M C AU - Sharpless,K E AU - Thomas,J B TI - NIST micronutrients measurement quality assurance program: characterizing the measurement community's performance over time SN - 0003-2700 PY - 2000///1004 KW - Humans KW - Quality Control KW - Time Factors KW - Vitamin A KW - blood KW - Vitamin E N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1021/ac991480j ER -